@piltoverarchive/riftbound-deck-codes/dist/VarintTranslator.d.ts

Encode and decode Riftbound TCG decks to/from shareable strings

/**
 * VarintTranslator handles encoding and decoding of variable-length integers
 * used in the Riftbound deck code format.
 *
 * Variable-length integers use the most significant bit (MSB) as a continuation flag.
 * If MSB is 1, more bytes follow. If MSB is 0, this is the final byte.
 */
export default class VarintTranslator {
    private static readonly AllButMSB;
    private static readonly JustMSB;
    private bytes;
    constructor(_bytes: ArrayBuffer | Uint8Array);
    get length(): number;
    /**
     * Reads and removes a varint from the beginning of the byte array
     * @returns The decoded integer value
     * @throws Error if no bytes available or invalid varint format
     */
    PopVarint(): number;
    /**
     * Slices the internal byte array
     * @param begin - Start index
     * @param end - Optional end index
     */
    sliceAndSet(begin: number, end?: number): void;
    /**
     * Gets a byte at the specified index
     * @param index - Index to retrieve
     * @returns The byte value at the index
     * @throws Error if index is out of bounds
     */
    get(index: number): number;
    /**
     * Converts a number into its varint byte representation
     * @param value - The number to encode
     * @returns Uint8Array containing the varint encoding
     */
    static GetVarint(value: number): Uint8Array;
}
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